PSP-42B RING ADAPTER

The adapter comes with standard inserts with inner diameters of 46 mm (for mounting on day optics with an outer diameter of 46 mm), 46.5 mm, 47 mm (46.7-47.6 mm), 48 mm (47 .7-48.6 mm), 49 mm (48.7-49.6 mm) and 50 mm (49.7-50.6 mm).